Sewing machine



FIG. 1 is a front elevational view of a sewing machine showing our new design in a closed position;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is an elevational view looking from the left of FIG. 1;

FIG. 4 is a front perspective view in open position;

FIG. 5 is a rear perspective view thereof;

FIG. 6 is a front perspective view showing the end not seen in FIG. 4 and with the closing flaps removed;

FIG. 7 is a view similar to FIG. 4 but with the closing flaps removed;

FIG. 8 is a rear perspective view thereof; and

FIG. 9 is a rear perspective view showing the end not seen in FIG. 8 and with the closing flaps removed. 

The ornamental design for a sewing machine, substantially as shown and described. 